[1] VA Office of Rural Health,Veterans Rural Health Resource Center
[2] Iowa City VA Healthcare System,Iowa City
[3] Iowa City VA Healthcare System,Center for Access and Delivery Research and Evaluation (CADRE)
[4] University of Iowa Carver College of Medicine,Department of Internal Medicine
[5] Florida State University College of Medicine,Department of Behavioral Sciences and Social Medicine
[6] Florida State University College of Medicine,Florida Blue Center for Rural Health Research & Policy
[7] University of Iowa College of Public Health,Department of Biostatistics